Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

In the icy, dark expanse beyond Neptune, a cosmic fossil has surfaced that threatens to upset decades-old assumptions about the solar system’s secret structure. The new discovery of “Ammonite,” a ...

The discovery was made by astronomers using the Subaru Telescope, which is situated atop a dormant volcano in Hawaii.

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

After digging through the Ingot Isle Cave-In and teaming up with a singing Odd Rock, Donkey Kong dives deeper into the earth ...

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...